Difference between revisions of "Hymenocallis occidentalis var. eulae"

(Shinners) Gerald L. Smith and Flory

Novon 11: 230. 2001.

Endemic
Basionym: Hymenocallis eulae Shinners Field & Lab. 19: 103. 1951
Treatment appears in FNA Volume 26. Treatment on page 286. Mentioned on page 285.
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_547.xml
 
|genus=Hymenocallis
 
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|species=Hymenocallis occidentalis
 
|species=Hymenocallis occidentalis

Latest revision as of 22:15, 5 November 2020

Leaves appearing in late winter, withering in late spring before anthesis, suberect, to 5 cm wide. Scape bracts lanceolate, 4–5 cm. 2n = 52.


Phenology: Flowering summer–early fall.
Habitat: Heavy soils near streams that periodically overflow and seepage slopes
Elevation: 0–1100 m

Discussion

Hymenocallis occidentalis var. eulae is in need of additional study. The type collection is in poor condition, and only a small number of other collections were available for study. The floral data now available does not justify recognizing this entity as a separate species. However, the presence of suberect leaves and their senescence before anthesis do indicate a degree of genetic difference that we consider sufficient to support varietal rank.

Selected References

None.

Lower Taxa

None.
Gerald L. Smith +  and Walter S. Flory† +
(Shinners) Gerald L. Smith and Flory +
Hymenocallis eulae +
Okla. +  and Tex. +
0–1100 m +
Heavy soils near streams that periodically overflow and seepage slopes +
Flowering summer–early fall. +
Hymenocallis occidentalis var. eulae +
Hymenocallis occidentalis +
variety +